diff --git a/sci-visualization/gnuplot/gnuplot-5.0.7.ebuild b/sci-visualization/gnuplot/gnuplot-5.0.7.ebuild
index 01426877e0ab0..73a772b926f56 100644
--- a/sci-visualization/gnuplot/gnuplot-5.0.7.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.0.7.ebuild
@@ -115,7 +115,7 @@ src_configure() {
 
 	if use wxwidgets; then
 		WX_GTK_VER="3.0"
-		need-wxwidgets unicode
+		setup-wxwidgets
 	fi
 
 	tc-export CC CXX			#453174
diff --git a/sci-visualization/gnuplot/gnuplot-5.2.2.ebuild b/sci-visualization/gnuplot/gnuplot-5.2.2.ebuild
index e57cf1fe84bb6..0f63549de71a1 100644
--- a/sci-visualization/gnuplot/gnuplot-5.2.2.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.2.2.ebuild
@@ -115,7 +115,7 @@ src_configure() {
 
 	if use wxwidgets; then
 		WX_GTK_VER="3.0"
-		need-wxwidgets unicode
+		setup-wxwidgets
 	fi
 
 	tc-export CC CXX			#453174
diff --git a/sci-visualization/gnuplot/gnuplot-5.2.4.ebuild b/sci-visualization/gnuplot/gnuplot-5.2.4.ebuild
index 8c07cfc760fc0..b28e58c2381a6 100644
--- a/sci-visualization/gnuplot/gnuplot-5.2.4.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.2.4.ebuild
@@ -113,7 +113,7 @@ src_configure() {
 
 	if use wxwidgets; then
 		WX_GTK_VER="3.0"
-		need-wxwidgets unicode
+		setup-wxwidgets
 	fi
 
 	tc-export CC CXX			#453174
diff --git a/sci-visualization/gnuplot/gnuplot-5.2.9999.ebuild b/sci-visualization/gnuplot/gnuplot-5.2.9999.ebuild
index a2c8cc4b60ef3..70dc373cfd31c 100644
--- a/sci-visualization/gnuplot/gnuplot-5.2.9999.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.2.9999.ebuild
@@ -112,7 +112,7 @@ src_configure() {
 
 	if use wxwidgets; then
 		WX_GTK_VER="3.0"
-		need-wxwidgets unicode
+		setup-wxwidgets
 	fi
 
 	tc-export CC CXX			#453174
diff --git a/sci-visualization/gnuplot/gnuplot-5.3.9999.ebuild b/sci-visualization/gnuplot/gnuplot-5.3.9999.ebuild
index c8a9c07a1598c..60eb7036ba0e9 100644
--- a/sci-visualization/gnuplot/gnuplot-5.3.9999.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.3.9999.ebuild
@@ -107,7 +107,7 @@ src_configure() {
 
 	if use wxwidgets; then
 		WX_GTK_VER="3.0"
-		need-wxwidgets unicode
+		setup-wxwidgets
 	fi
 
 	tc-export CC CXX			#453174