diff --git a/install-php-extensions b/install-php-extensions
index 49715cd..1abcf2c 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -3557,7 +3557,7 @@ installPeclPackage() {
 		fi
 		cat "$CONFIGURE_FILE" | MAKE="make -j$(getCompilationProcessorCount $1)" CPPFLAGS="${3:-}" pecl install "$installPeclPackage_path"
 	else
-		MAKE="make -j$(getCompilationProcessorCount $1)" CPPFLAGS="${3:-}" /tmp/pickle install --tmp-dir=/tmp/pickle.tmp --no-interaction --version-override='' --with-configure-options "$CONFIGURE_FILE" -- "$installPeclPackage_path"
+		MAKEFLAGS="-j$(getCompilationProcessorCount $1)" CPPFLAGS="${3:-}" /tmp/pickle install --tmp-dir=/tmp/pickle.tmp --no-interaction --version-override='' --with-configure-options "$CONFIGURE_FILE" -- "$installPeclPackage_path"
 	fi
 }