diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 377c06f90..3c0c9a7f8 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -647,7 +647,7 @@ const char* FurnaceGUI::getSystemName(DivSystem which) {
 }
 
 void FurnaceGUI::updateScroll(int amount) {
-  float lineHeight=(PAT_FONT_SIZE+2*dpiScale);
+  float lineHeight=round(PAT_FONT_SIZE+2*dpiScale);
   nextScroll=lineHeight*amount;
   haveHitBounds=false;
 }
@@ -658,13 +658,13 @@ void FurnaceGUI::updateScrollRaw(float amount) {
 }
 
 void FurnaceGUI::addScroll(int amount) {
-  float lineHeight=(PAT_FONT_SIZE+2*dpiScale);
+  float lineHeight=round(PAT_FONT_SIZE+2*dpiScale);
   nextAddScroll=lineHeight*amount;
   haveHitBounds=false;
 }
 
 void FurnaceGUI::addScrollX(int amount) {
-  float lineHeight=(PAT_FONT_SIZE+2*dpiScale);
+  float lineHeight=round(PAT_FONT_SIZE+2*dpiScale);
   nextAddScrollX=lineHeight*amount;
   haveHitBounds=false;
 }
diff --git a/src/gui/newPattern.cpp b/src/gui/newPattern.cpp
index 254b34ec7..8ce41efd6 100644
--- a/src/gui/newPattern.cpp
+++ b/src/gui/newPattern.cpp
@@ -158,7 +158,7 @@ void FurnaceGUI::drawPatternNew() {
     }*/
 
     ImGui::PushFont(patFont);
-    float lineHeight=(ImGui::GetTextLineHeight()+2*dpiScale);
+    float lineHeight=round(ImGui::GetTextLineHeight()+2*dpiScale);
     dummyRows=(ImGui::GetWindowSize().y/lineHeight)/2;
     int totalRows=e->curSubSong->patLen+dummyRows*2;
     int firstRow=-dummyRows+1;