diff --git a/adhocracy-plus/assets/scss/_fonts.scss b/adhocracy-plus/assets/scss/_fonts.scss
index f97d1f9ff..a97af90da 100644
--- a/adhocracy-plus/assets/scss/_fonts.scss
+++ b/adhocracy-plus/assets/scss/_fonts.scss
@@ -2,28 +2,32 @@
     font-family: "SourceSerifPro";
     src: url("../fonts/SourceSerifPro-Regular.otf");
     font-style: normal;
-    font-weight: normal;
+    font-weight: 400;
+    font-display: swap;
 }
 
 @font-face {
     font-family: "SourceSerifPro";
     src: url("../fonts/SourceSerifPro-It.otf");
     font-style: italic;
-    font-weight: normal;
+    font-weight: 400;
+    font-display: swap;
 }
 
 @font-face {
     font-family: "SourceSansPro";
     src: url("../fonts/SourceSansPro-Regular.otf");
     font-style: normal;
-    font-weight: normal;
+    font-weight: 400;
+    font-display: swap;
 }
 
 @font-face {
     font-family: "SourceSansPro";
     src: url("../fonts/SourceSansPro-It.otf");
     font-style: italic;
-    font-weight: normal;
+    font-weight: 400;
+    font-display: swap;
 }
 
 @font-face {
@@ -31,11 +35,13 @@
     src: url("../fonts/SourceSansPro-Semibold.otf");
     font-style: normal;
     font-weight: 600;
+    font-display: swap;
 }
 
 @font-face {
     font-family: "SourceSansPro";
     src: url("../fonts/SourceSansPro-Bold.otf");
-    font-style: bold;
+    font-style: normal;
     font-weight: 900;
+    font-display: swap;
 }
diff --git a/changelog/_9998.md b/changelog/_9998.md
new file mode 100644
index 000000000..05ab72221
--- /dev/null
+++ b/changelog/_9998.md
@@ -0,0 +1,12 @@
+### Added
+
+- add font-display: swap to fonts
+
+### Fixed
+
+- fixed incorrect font-style: bold
+
+
+### Changed
+
+- changed font-weight: normal to 400 to consistenly use numbers