diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/factory.js b/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/factory.js
index 359d8ab9191a..90a49480f20d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/factory.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/factory.js
@@ -47,6 +47,7 @@ var NINF = require( '@stdlib/constants/float64/ninf' );
 * // returns ~-0.129
 */
 function factory( mu, lambda ) {
+	var A;
 	if (
 		isnan( mu ) ||
 		isnan( lambda ) ||
@@ -58,6 +59,7 @@ function factory( mu, lambda ) {
 	if ( lambda === 0.0 ) {
 		return degenerate( mu );
 	}
+	A = ln( lambda ) - LN_TWO_PI;
 	return logpdf;
 
 	/**
@@ -79,8 +81,8 @@ function factory( mu, lambda ) {
 		if ( x <= 0.0 || x === PINF ) {
 			return NINF;
 		}
-		v = x - mu;
-		return 0.5 * ( ln( lambda ) - ( LN_TWO_PI + ( 3.0 * ln( x ) ) ) - ( ( lambda * v * v ) / ( mu * mu * x ) ) );
+		v = ( x - mu ) / mu;
+		return 0.5 * ( A - ( 3.0 * ln( x ) ) - ( ( ( lambda / x ) * v ) * v ) );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/main.js b/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/main.js
index f56813ff4d81..224b2c162142 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/main.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/lib/main.js
@@ -93,8 +93,8 @@ function logpdf( x, mu, lambda ) {
 	if ( x <= 0.0 || x === PINF ) {
 		return NINF;
 	}
-	v = x - mu;
-	return 0.5 * ( ln( lambda ) - ( LN_TWO_PI + ( 3.0 * ln( x ) ) ) - ( ( lambda * v * v ) / ( mu * mu * x ) ) );
+	v = ( x - mu ) / mu;
+	return 0.5 * ( ln( lambda ) - ( LN_TWO_PI + ( 3.0 * ln( x ) ) ) - ( ( ( lambda / x ) * v ) * v ) );
 }
 
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/src/main.c
index 6f980ed3e03a..a16b10448e71 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/logpdf/src/main.c
@@ -53,6 +53,6 @@ double stdlib_base_dists_wald_logpdf( const double x, const double mu, const dou
 	if ( x <= 0.0 || x == STDLIB_CONSTANT_FLOAT64_PINF ) {
 		return STDLIB_CONSTANT_FLOAT64_NINF;
 	}
-	v = x - mu;
-	return 0.5 * ( stdlib_base_ln( lambda ) - ( STDLIB_CONSTANT_FLOAT64_LN_TWO_PI + ( 3.0 * stdlib_base_ln( x ) ) ) - ( ( lambda * v * v ) / ( mu * mu * x ) ) );
+	v = ( x - mu ) / mu;
+	return 0.5 * ( stdlib_base_ln( lambda ) - ( STDLIB_CONSTANT_FLOAT64_LN_TWO_PI + ( 3.0 * stdlib_base_ln( x ) ) ) - ( ( ( lambda / x ) * v ) * v ) );
 }