diff --git a/Tiobon.Core.sln b/Tiobon.Core.sln
index abf19d74..20f3a9de 100644
--- a/Tiobon.Core.sln
+++ b/Tiobon.Core.sln
@@ -22,7 +22,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionItems", "SolutionIt
 		README.md = README.md
 	EndProjectSection
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{EDA8901E-541E-4ADC-B71E-59697D5F9549}"
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{EDA8901E-541E-4ADC-B71E-59697D5F9549}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Gateways", "Gateways", "{E2BD7D4D-9ED5-41CD-8401-C3FB26F203BB}"
 EndProject